$color1: #461467;
$color2: #ffba57;
$color3: lighten(#ff7655, 20%);
$color4: lighten(#00aca0, 10%);
$color5: #8ed3c9;
$color6: darken(#fcf5d8, 20%);

* {
    box-sizing: border-box;
}

body {
    background: #202020;
    font-size: 62.5%;
}

// App
#app {
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(76,76,76,1);
    background: -moz-linear-gradient(-45deg, rgba(76,76,76,1) 0%, rgba(43,43,43,0.74) 36%, rgba(28,28,28,0.5) 71%, rgba(19,19,19,0.29) 100%);
    background: -webkit-gradient(left top, right bottom, color-stop(0%, rgba(76,76,76,1)), color-stop(36%, rgba(43,43,43,0.74)), color-stop(71%, rgba(28,28,28,0.5)), color-stop(100%, rgba(19,19,19,0.29)));
    background: -webkit-linear-gradient(-45deg, rgba(76,76,76,1) 0%, rgba(43,43,43,0.74) 36%, rgba(28,28,28,0.5) 71%, rgba(19,19,19,0.29) 100%);
    background: -o-linear-gradient(-45deg, rgba(76,76,76,1) 0%, rgba(43,43,43,0.74) 36%, rgba(28,28,28,0.5) 71%, rgba(19,19,19,0.29) 100%);
    background: -ms-linear-gradient(-45deg, rgba(76,76,76,1) 0%, rgba(43,43,43,0.74) 36%, rgba(28,28,28,0.5) 71%, rgba(19,19,19,0.29) 100%);
    background: linear-gradient(135deg, rgba(76,76,76,1) 0%, rgba(43,43,43,0.74) 36%, rgba(28,28,28,0.5) 71%, rgba(19,19,19,0.29) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#4c4c4c', endColorstr='#131313', GradientType=1 );
    color: #fff;
}

// Controls
.controls {
    position: absolute;
    left: 50%;
    bottom: 40px;
    transform: translate(-50%, 0);
    width: 100%;
    margin-top: 30px;
    text-align: center;
    padding: 0;

    li {
        opacity: 0.6;
        cursor: pointer;
        overflow: hidden;
        display: inline-block;
        height: 30px;
        margin: 0 10px;
        padding: 0 30px;
        border-radius: 10px;
        font: .8rem/30px Arial, sans-serif;
        font-family: 'Ubuntu', Helvetica, Arial, sans-serif;
        background: #505050;

        &.active {
            background: lighten(#505050, 40%);
        }
    }
}

// Page
.page {
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: #c0c0c0;

    .center {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        font-size: 3rem;
        text-align: center;
    }

    h1 {
        width: 100%;
        margin: 0;
        padding: 0;
        font-family: 'Ubuntu', Helvetica, Arial, sans-serif;
        font-size: 2.8rem;
        text-transform: capitalize;
    }

    p {
        font-family: 'Vollkorn', Georgia, Times, serif;
        font-size: 1.1rem;
    }

    a {
        transition: color 200ms ease-out;
        color: darken(rgba(#fff, .8), 40%);

        &:hover {
            color: darken(rgba(#fff, .8), 60%);
        }
    }
}

// Active animation
.active-animation {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translate(-50%, 0);
}

// Page styles
.fade {
    background: $color1;
}

.slide {
    background: $color2;
}

.zoom {
    background: $color3;
}

.flipX {
    background: $color4;
}

.flipY {
    background: $color5;
}

.slideUp {
    background: $color6;
}